Definition of "Chip"

"What else? Anyway, here's the genealogy: Charles Junior's only son is Charles the Third - like royalty. He goes by Chip - Cassie's daddy. The mom is Cindy. The dead son was Chad - Charles the Fourth.""All Cs," I said. "Sounds like they like order."

1993, Jonathan Kellerman, Devil's Waltz, Random House, published 1998, page 26